* {
  padding: 0;
  margin: 0;
  list-style: none;
  box-sizing: border-box;
}
.App {
  width: 100vw;
  height: 100vh;
  display: flex;
  background-color: #f5f5f5;
}
.left {
  width: 200px;
  height: 100%;
  background: #000d28;
  padding: 10px 0;
  color: #fff;
}
.left ul li {
  width: 100%;
  height: 50px;
  line-height: 50px;
  padding: 0 10px;
}
.left ul li.on {
  background: #4075f2;
  color: #fff;
}

.right {
  flex: 1;
  width: 100%;
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;

  margin-left: 10px;
}
.title {
  width: 100%;
  height: 80px;
  background: #fff;
  padding: 10px;
  overflow-x: scroll;
}
.title ul {
  height: 100%;
  width: 100%;
  display: flex;
  align-items: center;
}
.title ul li {
  width: 100px;
  height: 30px;
  line-height: 30px;
  text-align: center;
  border: 1px solid #ccc;
  border-radius: 5px 5px 0 0;
}
.title ul li.on {
  color: #488ef7;
}
.main {
  flex: 1;
  background: #fff;
  margin-top: 10px;
  padding: 10px;
}
